PORTION ENERGY NOTES
THE INDEPENDENT FOOD-SPECIFIC CALORIE REFERENCES JOURNAL

A food name is a starting point. The exact food is the reference.

Twenty new ingredient profiles with traceable USDA entries and transparent worked arithmetic.

Search 7,793 foods ↗ Read the guides ↗
An original three-part reading framework for Food-specific calorie references

An original illustrated collection. Start with a specific question and explore a practical explanation.

THE DETAILS MAKE THE DIFFERENCE

A useful place to begin.

Twenty detailed guides.

Full description → Specific record → Stated weight → Scoped estimate
Plant proteins3 min read

Read the full tofu description before comparing firm blocks

Firm tofu is a texture description, but it does not identify one universal calorie value. USDA’s historic records distinguish several preparations and coagulant descriptions. This profile reads those entries as specific reference foods, then uses a transparent example to show why two packages both labeled firm still need their own product information.

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Prepared mixture → Included ingredients → Example amount → Actual evidence
Plant proteins3 min read

Give hummus its own reference instead of calling it plain chickpeas

Hummus is a prepared food, so its calorie reference describes more than chickpeas alone. USDA’s historic dataset includes both home-prepared and commercial entries. Read those as particular mixtures, not competing verdicts on homemade food, and keep the actual product or recipe visible when choosing an input for a calculation.

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Cooking ingredient → Beverage identity → Mass basis → Recipe role
Condiments and savory foods3 min read

Distinguish canned coconut milk from a coconut beverage

Coconut milk can name a cooking ingredient or a beverage intended for pouring into a glass. The shared words do not establish identical composition or a useful one-for-one calorie reference. USDA’s historic entries make the distinction explicit, allowing a comparison that starts with intended food form instead of the largest printed noun.

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Reference scope → Variety evidence → Defined mass → Prepared-food boundary
Fruit and vegetables3 min read

Read avocado variety as a reference detail rather than a quality score

An avocado search can return an all-varieties reference and entries named for California or Florida. Those names should remain attached to the calorie figures. USDA’s historic values help explain how a database can describe several reference foods without declaring one avocado universally better or predicting the exact composition of fruit in a shopper’s hand.

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Olive type → Filling identity → Example calculation → Mixed-bowl limits
Condiments and savory foods3 min read

Keep olive type visible when a bowl contains several kinds

An olive bowl can mix ripe black olives, green olives and stuffed products while appearing to be one simple ingredient. USDA’s historic entries describe specific types. A useful calorie note keeps those identities visible and avoids assigning a plain-olive value to everything that shares the same serving dish.

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Cacao band → Whole product → Defined mass → Limited conclusion
Snacks and desserts3 min read

Read dark-chocolate cacao bands without assuming a calorie shortcut

A higher cacao percentage does not automatically mean a lower calorie value. USDA’s historic dark-chocolate records provide a useful concrete example. Read the percentage band and energy together, then keep current bar formulations separate from the reference rather than turning a front-of-pack number into a universal nutrition rule.

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Paste identity → Ingredient mass → Paste contribution → Complete soup scope
Condiments and savory foods3 min read

Keep miso paste separate from the soup it seasons

A tub of miso paste and a bowl of miso soup are different reference foods. The paste supplies an ingredient, while the finished bowl includes liquid and often other foods. USDA’s historic miso entry can support a scoped ingredient calculation, but it should not be assigned unchanged to every gram of a prepared soup.

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Named seaweed → Preparation state → Separate examples → Prepared-food boundary
Fruit and vegetables3 min read

Keep a seaweed species name and hydration description together

Seaweed is a broad food category that includes distinct species and preparations. A dried product, a rehydrated ingredient and a dressed salad should not be compressed into one calorie entry. USDA’s paired EMI-TSUNOMATA records provide a specific reference example while showing why a generic seaweed search needs careful food identification.

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Preparation → Included additions → Equal-mass example → Actual product
Snacks and desserts3 min read

Compare popcorn by preparation rather than the size of the bowl

Popcorn can occupy a large space while its food mass remains modest, and added ingredients create different products. USDA’s historic air-popped and home oil-popped entries offer a concrete comparison. Use their complete descriptions without treating a cinema bucket, caramel-coated snack and plain bowl as interchangeable reference objects.

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Dessert identity → Chosen comparator → Equal mass → Ingredient decision
Snacks and desserts3 min read

Read orange sherbet as a specific frozen dessert

Sherbet, sorbet and ice cream are names that can be confused in conversation while describing different products. USDA’s historic orange-sherbet record supports one specific calorie reference. Compare it with a named vanilla-ice-cream entry only within a clear scope, without assuming the dessert name answers ingredient, allergy or serving questions.

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Finished food → Reference formulation → Known mass → Platter boundary
Plant proteins3 min read

Give falafel a finished-food reference rather than a raw bean value

Falafel and hummus can share familiar ingredients while remaining different prepared foods. A calorie reference needs to describe the finished object being considered. USDA’s historic home-prepared falafel entry supports a specific example, while the hummus entry helps show why a common ingredient does not make two dishes interchangeable in a calculation.

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Prepared sauce → Food role → Known addition → No double count
Condiments and savory foods3 min read

Use pesto as the sauce actually measured, not as a synonym for basil

A pesto calorie value describes a prepared sauce, not just the green herb that makes it recognizable. USDA’s historic refrigerated ready-to-serve pesto entry gives one reference. Read it alongside a named salsa entry to understand food roles without assuming that all green or spooned sauces have the same formulation or purpose.

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Pickle style → Exact record → Stated amount → Separate nutrient questions
Condiments and savory foods3 min read

Keep sweet pickles and dill pickles as separate reference foods

Pickled cucumber is not one uniform calorie reference. A sweet preparation and a dill preparation have distinct historic USDA entries. Read the descriptors before comparing them, then keep energy separate from sodium, taste and the amount that belongs in a person’s meal. A small condiment can still deserve an accurate food name.

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Material scope → Named preparation → Narrow arithmetic → Separate health questions
Condiments and savory foods3 min read

Keep sauerkraut’s solids-and-liquids wording in the note

A sauerkraut reference can explicitly describe both solids and liquid, while a serving in the kitchen may be handled differently. USDA’s historic canned entry makes that boundary visible. Read it carefully, and compare it with kimchi only as another named food rather than assuming every fermented cabbage preparation has one shared composition.

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Full name → Correct food → Reference exercise → Prepared-product boundary
Fruit and vegetables3 min read

Distinguish globe artichokes from Jerusalem artichokes in a search

Two foods can share the word artichoke while belonging to very different kitchen tasks. USDA’s historic raw globe-artichoke and Jerusalem-artichoke entries illustrate a name-matching problem. Read the complete reference before using its calorie figure, and keep those raw-food values separate from marinated hearts or a prepared restaurant dish.

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Plant part → Cooked description → Defined example → Preparation boundary
Fruit and vegetables3 min read

Keep taro root and taro leaves as different food references

A search for taro can return a cooked root, leaves, shoots and packaged chips. Those are different foods rather than interchangeable spellings of one ingredient. USDA’s historic cooked-root and steamed-leaf records provide a specific example of why the plant part and preparation belong beside the calorie figure.

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Ripeness → Prepared form → Equal-mass exercise → Meal context
Fruit and vegetables3 min read

Identify green boiled plantain separately from plantain chips

Plantain can appear as a boiled food, a baked accompaniment or a packaged crisp snack. Ripeness and preparation words make those different reference objects. USDA’s historic green-boiled and salted-chip entries offer a concrete comparison that should preserve the actual food’s identity rather than declaring one number the calorie value of plantain everywhere.

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Ingredient identity → Material wording → Separate calculations → Mixed-dish boundary
Fruit and vegetables3 min read

Keep canned waterchestnuts separate from bamboo shoots in a mixed dish

Waterchestnuts and bamboo shoots can both appear as pale crisp pieces in a stir-fry, but they are different ingredients. USDA’s historic canned entries also use different material descriptions. Read those details before assigning a number to an unidentified mixed vegetable component, and keep the reference separate from the complete cooked dish.

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Variety → Actual amount → Reference arithmetic → Filled-product boundary
Fruit and vegetables3 min read

Use date variety without inventing a universal per-date weight

A date count is familiar, but a Medjool date and a Deglet Noor date should not inherit one assumed piece weight. USDA’s historic variety entries have similar energy per 100 g while individual pieces can differ. Keep variety and actual amount separate so the calculation answers a defined question rather than relying on a memorized per-fruit shortcut.

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Powder identity → Recipe role → Ingredient example → Finished cup
Snacks and desserts3 min read

Distinguish unsweetened cocoa powder from hot-cocoa mix

Cocoa powder and a drink mix can look similar in a spoon while serving different preparation tasks. USDA’s historic entries give each a specific reference. Read the complete description before calculating, and keep a powder ingredient separate from a finished drink with its chosen liquid and any other additions.

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A clear scope.
Useful detail.

Historic USDA SR Legacy food profiles and original comparison exercises. All stated food-energy values are kcal per 100 g from energy nutrient 1008 in the verified April 2018 archive; actual current products can differ. The site tool exposes the broader factual reference.

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